10x - 2y = 2
{
-4x + 4y = 20
20x - 4y = 4
4x + 4y = 20
24x = 24
4x + 4y = 4
x = 1
1 + 4y = 4
4y = 3
y = 0,75
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10x - 2y = 2
{
-4x + 4y = 20
20x - 4y = 4
{
4x + 4y = 20
24x = 24
{
4x + 4y = 4
x = 1
{
1 + 4y = 4
x = 1
{
4y = 3
x = 1
y = 0,75